PartsSquare 20pcs Fender Liner Fastener Rivet Push Clips Retainer for Buick Lesabre Lucerne Terraza Cadillac CTS Deville DTS SRX STS Chevrolet SSR Trailblazer Uplander Venture Oldsmobile Pontiac Package Content : 20pcs Plastic Rivets Fastener Application: Trim Body Side,Center Pillar, Seat ASM, Entertainment PKG, Inflatable Restraint System, Quarter Retainer (Direct replacement, no need to modify) Size (Head/Stem Length/Stem Diameter/Fit Hole): Bottom:20 Top:18/25.4-6.35/8mm; /Bottom:25/32 Top:11/16/1-1/4 inch Item condition: Brand New. Material: Plastic, Nylon